Microsoft Office Communications Server Consolidated Configuration on HP BladeSystem Performance report
Microsoft® Office Communications Server (OCS) 2007 is an extensive update to Live Communications Server (LCS) 2005. In addition to the instant messaging and presence features of LCS, OCS provides Enterprise Voice with integrated voice over IP (VoIP) and telephony integration, audio/video conferencing, on premise web conferencing and federation enhancements. OCS servers can host a core set of services including: Instant Messaging (IM) Conferencing Server, Web Conferencing Server, Telephony Conferencing Server, Audio/Video Conferencing server, Internet Information Services (IIS), and the Focus, which helps manage meeting participants. Database services, provided by Microsoft SQL Server, are also required.
There is also a set of OCS server roles in addition to those core services to provide incremental functionality such as access for users over the Internet, archiving and call detail reporting, telephony integration, public IM connectivity, and access through a browser based client. These server roles are typically deployed on servers separate from the core services described above. OCS can be deployed in three primary configurations. The base configuration is OCS Standard Edition (SE) which includes all core services and SQL Server 2005 Express Edition on a single server. With all functionality on a single server, Standard Edition provides no fault tolerance and is not recommended for deployments over 5000 users. Figure 1 depicts a Standard Edition deployment.
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